Name | Test092_WastePaperBasket_Box2ft_R1
|
---|---|
Date | |
Description | 7 Gallon waste basket w/ 100 g shredded paper, (4) four water bottles, and 124 g of crumpled craft paper, cardboard box 1.7 Kg 24x28x20 half filled w/ 390 g of styrofoam packing peanuts. Ignition=electric match w/o wick |
Specimen | trash can
|
Ignition | electric match
|
Project ID (s) | |
Test Director | McGrattan
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
752
|
45
|
kW
|
Time to Peak Heat Release Rate
|
7.18
|
0.17
|
min
|
Total Heat Released, THR
|
73.2
|
4.6
|
MJ
|
Gas Burner Total Heat Released, NGTHR
|
0
|
- | MJ
|
Heat Release Quality Confirmation, HRQC
|
Not measured | - | MJ/MJ
|
Net Specimen Mass (gravimetric), NM = Mi-Mf
|
3.475
|
0.028
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
21.1
|
1.3
|
MJ/kg
|
O2 Yield = O2 Consumed / NM
|
1.578
|
0.052
|
kg/kg
|
CO2 Yield = CO2 Generated / NM
|
1.816
|
0.067
|
kg/kg
|
CO Yield = CO Generated / NM
|
0.0290
|
0.0011
|
kg/kg
|
Soot Yield = Soot Generated / NM
|
0.0233
|
0.0031
|
kg/kg
|
Baseline Hood Exhaust Flow
|
2.225
|
0.067
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
20.77
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
Parameter | Value | Uc | Unit |
---|---|---|---|
Fuel Type
|
Plastic
|
- | - |
Hood Size
|
3
|
- | m
|
Effective Duct Diameter
|
0.485
|
0.005
|
m
|
Exhaust Flow Correction Factor
|
1.033
|
0.029
|
- |
Net Heat of Combustion (per unit mass O2), Ef
|
13.10
|
0.66
|
MJ/kg
|
Net Heat of Combustion(per unit mass fuel), HOCf
|
30.00
|
6.00
|
MJ/kg
|
Initial Specimen Mass, Mi (gravimetric)
|
4.93
|
0.02
|
kg
|
Final Specimen Mass, Mf (gravimetric)
|
1.45
|
0.02
|
kg
|
Event | Time (min) | Description | Video Snapshot Image |
---|---|---|---|
1
|
0.00
|
Ignition
|
|
2
|
1.65
|
change hood flow from 3 to 2
|
|
peak
|
7.18
|
Peak HRR
|
|
3
|
20.00
|
Suppression
|
|
4
|
20.77
|
Fire Out
|
Bryant, R. and Bundy, M. The NIST 20 MW Calorimetry Measurement System for Large-Fire Research, Technical Note (NIST TN) 2077, 2019
https://doi.org/10.6028/NIST.TN.2077
NIST Fire Calorimetry Database (FCD)
https://doi.org/10.18434/mds2-2314